
From the Organizer
Run for nature at Natural Lands’ annual ChesLen Chase with a 5K and 2-mile Fun Run-Walk.
The post-race party features music, craft beer, yummy food truck fare, and an awards ceremony.
* 5K Trail Run – 11:00 am
$35 Pre-registration (on or before May 8), $40 Late and Race Day Registration (after May 8)
* 2-Mile Fun Run-Walk – 10:05 am
$20 Pre-registration (on or before May 8), $25 Late and Race Day Registration (after May 8)
* Youth 6 - 12
$15 Pre-registration (on or before May 8), $20 Late and Race Day Registration (after May 8)
* Youth 5 and under - Free
Natural Lands members receive a $5 discount!. Choose your correct category during online registration. (Not a Natural Lands member yet? Join today.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
69°
Typical Low
48°
Chance of Rain
41%
Based on US Climate Normals data from Avondale 2 N, 5 mi from the venue.
Host City
Population
13,323
as of 2023
City Elevation
326 ft
Nearest Airport
ILG
Wilmington Airport · 24 mi
Major Hub
PHL
Philadelphia International Airport · 32 mi
Time Zone
Eastern Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at ChesLen Chase, put it on the calendar, and turn “someday” into a start date.
Coming Up
Downingtown Good Neighbor Day - Firetrucks and Fireworks 2026
7 miles away
East Brandywine Food Truck Festival 5K & Walk/Fun Run
7 miles away
Run the Runway 5K & Fun Run
6 miles away
Steps To Home 5K Run/1-Mile Walk Presented by Friends Association
6 miles away
From Endurance Grid
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain, not the pace, is the whole point.
Frequently Asked Questions (FAQs)
ChesLen Chase
May 8, 2027